@book { UlrichHolbein,
    title = "Ulrich Holbein",
    author = "Nikolas {Buck}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-05035-6",
    url = "https://www.peterlang.com/document/1050433"
}